Trek starts from Dodhpathri towards high alpine pasture known as Chhanz and is a 7kms hike from Dodhpathri. The steep trail leads to Nupur Gali where Gurwansar Lakes are lying at an altitude of 3940m, 3980 & 3990m ASL. To see a glimpse of the Pamsar of Tosamaidan Greater Lakes Trek one has to climb a 4200m pass to see the Pamsar Lake.